System Memory Guidelines - Dell D560 Owner's Manual

System memory guidelines

The VxRail D Series systems support DDR4 Registered DIMMs (RDIMMs), and Load Reduced DIMMs (LRDIMMs). System
memory holds the instructions that are executed by the processor.
Your system contains 16 memory sockets. Processor 1 supports up to 10 memory sockets and Processor 2 supports up to 6
memory sockets. Six memory channels are allocated to each processor. Processor 1 has four 2 DIMM slots per channel and two
1 DIMM slot per channel, Processor 2 has six 1 DIMM per channel.
Figure 14. Memory socket locations
Memory channels are organized as follows:
Table 35. Memory channels
Processor Channel 0
Processor 1 Slots A1 and A7
Processor 2 Slots B1
Table 36. Memory population
DIMM Type DIMMs Populated/
Channel
RDIMM 1
2
30 Replacing and adding hardware
Channel 1 Channel 2
Slots A2 and Slots A3
A8
Slots B2 Slots B3
Voltage
1.2 V
1.2 V
Channel 3 Channel 4
Slots A4 and A9 Slots A5 and A10
Slots B4 Slots B5
Operating Frequency
(in MT/s)
2666
2666
Channel 5
Slots A6
Slots B6
Maximum DIMM Rank/
Channel
Dual rank or single rank
Dual rank or single rank